From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Mon, 6 Sep 2010 07:46:17 +0000 (+0900)
Subject: pci bridge: add helper function for ssvid capability.
X-Git-Tag: v0.14.0-rc0~500^2^2~28
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f4c817e000e50e9a0db8f95ce6496628bd70733d;p=qemu.git

pci bridge: add helper function for ssvid capability.

helper function to add ssvid capability.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c
index 198c3c790..638e3b35e 100644
--- a/hw/pci_bridge.c
+++ b/hw/pci_bridge.c
@@ -32,6 +32,25 @@
 #include "pci_bridge.h"
 #include "pci_internals.h"
 
+/* PCI bridge subsystem vendor ID helper functions */
+#define PCI_SSVID_SIZEOF        8
+#define PCI_SSVID_SVID          4
+#define PCI_SSVID_SSID          6
+
+int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset,
+                          uint16_t svid, uint16_t ssid)
+{
+    int pos;
+    pos = pci_add_capability(dev, PCI_CAP_ID_SSVID, offset, PCI_SSVID_SIZEOF);
+    if (pos < 0) {
+        return pos;
+    }
+
+    pci_set_word(dev->config + pos + PCI_SSVID_SVID, svid);
+    pci_set_word(dev->config + pos + PCI_SSVID_SSID, ssid);
+    return pos;
+}
+
 /* Accessor function to get parent bridge device from pci bus. */
 PCIDevice *pci_bridge_get_device(PCIBus *bus)
 {
diff --git a/hw/pci_bridge.h b/hw/pci_bridge.h
index 63ada199a..f6fade032 100644
--- a/hw/pci_bridge.h
+++ b/hw/pci_bridge.h
@@ -28,6 +28,9 @@
 
 #include "pci.h"
 
+int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset,
+                          uint16_t svid, uint16_t ssid);
+
 PCIDevice *pci_bridge_get_device(PCIBus *bus);
 PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);